<template>
  <div>
    <el-card class="box-card">
      <div slot="header" class="clearfix header-box">
        <span>文章分类</span>
        <el-button type="primary" size="mini" @click="addCateVisible = true">添加分类</el-button>
      </div>
      <!-- 表格 -->
       <el-table
       stripe
       border
      :data="cateList"
      style="width: 100%">
      <el-table-column
        type="index"
        label="序号"
        width="180">
      </el-table-column>
      <el-table-column
        prop="cate_name"
        label="分类名称"
        width="180">
      </el-table-column>
      <el-table-column
        prop="cate_alias"
        label="分类别名">
      </el-table-column>
      <el-table-column label="操作">
        <template v-slot="scope">
          <el-button size="mini" type="primary" @click="showEditDialog(scope.row)">修改</el-button>
          <el-button size="mini" type="danger" @click="del(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    </el-card>

    <!-- 添加文章分类对话框 -->
    <el-dialog
      title="添加文章分类"
      :visible.sync="addCateVisible"
      width="35%"
      @closed="onAddClosed"
      >
      <!-- 添加的表单 -->
      <el-form :model="addForm" :rules="addRules" ref="addRef" label-width="70px">
        <el-form-item label="分类名称" prop="cate_name">
          <el-input v-model="addForm.cate_name" minlength="1" maxlength="10"></el-input>
        </el-form-item>
        <el-form-item label="分类别名" prop="cate_alias">
          <el-input v-model="addForm.cate_alias" minlength="1" maxlength="15"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="addCateVisible = false">取 消</el-button>
        <el-button type="primary" @click="addCate">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 编辑文章分类对话框 -->
    <el-dialog
      title="编辑文章分类"
      :visible.sync="editVisible"
      width="35%"
      @closed="onEditClosed"
      :close-on-click-modal="false"
      >
      <!-- 编辑的表单 -->
      <el-form :model="editForm" :rules="addRules" ref="editRef" label-width="70px">
        <el-form-item label="分类名称" prop="cate_name">
          <el-input v-model="editForm.cate_name" minlength="1" maxlength="10"></el-input>
        </el-form-item>
        <el-form-item label="分类别名" prop="cate_alias">
          <el-input v-model="editForm.cate_alias" minlength="1" maxlength="15"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editVisible = false">取 消</el-button>
        <el-button type="primary" @click="editCate">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  name: 'ArtCate',
  data(){
    return{
      cateList:[],
      addCateVisible:false,
      // 添加表单的数据对象
      addForm: {
        cate_name: '',
        cate_alias: ''
      },
      // 添加表单的验证规则对象
      addRules: {
        cate_name: [
          { required: true, message: '请输入分类名称', trigger: 'blur' },
          { pattern: /^\S{1,10}$/, message: '分类名必须是1-10位的非空字符', trigger: 'blur' }
        ],
        cate_alias: [
          { required: true, message: '请输入分类别名', trigger: 'blur' },
          { pattern: /^[a-zA-Z0-9]{1,15}$/, message: '分类别名必须是1-15位的字母数字', trigger: 'blur' }
        ]
      },
      editVisible : false,
      editForm:{}
    }
  },
  methods:{
    async getArtCate(){
      const {data:res} = await this.$http.get('/my/cate/list')
      if(res.code !== 0) return this.$message.error(res.message)
      this.cateList = res.data
    },
    onAddClosed(){
      // 关闭添加表单窗口时清空数据
      this.$refs.addRef.resetFields()
    },
    addCate(){
      // 表单兜底校验
      this.$refs.addRef.validate(async valid =>{
        // 表单校验失败
        if(!valid) return
        // const {data:res} = await this.$http({
        //   method:'post',
        //   url:'/my/cate/add',
        //   data:{
        //     ...this.addForm
        //   }
        // })
        const {data:res} = await this.$http.post('/my/cate/add',this.addForm)
        if(res.code !== 0) return this.$message.error(res.message)
        // 关闭对话框
        this.addCateVisible=false
        // 再次获取文章分类的数据
        this.getArtCate()
      })

    },
    del(id){
       this.$confirm('此操作将永久删除该分类, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(async () => {
          const {data:res} = await this.$http({
            method:'delete',
            url:'/my/cate/del',
            params:{
              id
            }
          })
          if(res.code !== 0) return this.$message.error(res.message)
          this.getArtCate()
        }).catch(() => {
          this.$message({
            type: 'info',
            message: '已取消删除'
          })         
        })
    },
    showEditDialog(obj){
      this.editForm={...obj}
      this.editVisible = true
    },
    onEditClosed(){
       this.$refs.editRef.resetFields()
    },
    editCate(){
      // 对表单进行兜底校验
      this.$refs.editRef.validate(async valid =>{
        // 校验失败
        if(!valid) return
        const {data:res} = await this.$http({
          method:'put',
          url:'/my/cate/info',
          data:{
            ...this.editForm
          }
        })
        // 更新失败
        if(res.code !== 0) return this.$message.error(res.message)
        //更新成功
        this.$message.success(res.message)
        // 重新获取数据
        this.getArtCate()
        // 关闭编辑对话框
        this.editVisible = false
      })
    }
  },
  created(){
    this.getArtCate()
  }
}
</script>

<style lang="less" scoped>
.header-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
</style>
